67680464

素因数分解:

$2^4\times {\mathrm{449}}^1\times {\mathrm{9421}}^1$

素因数の和:9878

約数の個数: 20

約数和(自身を含む): 131436900

約数和(自身を除く): 63756436

約数列:

[1, 2, 4, 8, 16, 449, 898, 1796, 3592, 7184, 9421, 18842, 37684, 75368, 150736, 4230029, 8460058, 16920116, 33840232, 67680464]

約数ペア:

[(1, 67680464), (2, 33840232), (4, 16920116), (8, 8460058), (16, 4230029), (449, 150736), (898, 75368), (1796, 37684), (3592, 18842), (7184, 9421)]